Answer:
As a person who lives in Alaska, the Russians sold it because i guess they thought it was useless but little did they know its like a major gold mine!
Explanation:
Answer: ethics.
Ethics and moral are usually confused, but they are differente. You can think of ethic as the "science" whose object is to study (by the use of rigorous reflection) the human acts to distinguish right from wrong. While moral is related with costumes of a particular culture.
Scientists can determine the age of the seafloor by watching the constant changing magnetic field of our planet. When it cools down, it records the magnetic field during its formation. The two parts of the oceanic plate are pulled apart, and magnetic stripes become older as they move away from the mid-ocean ridge. Hope that helps!
Examples of primary reinforcers include: food, drink and pleasure.
Secondary reinforcers include grades. Have a good day
Historians have labeled the years from 1870-1914 as the period of the Second Industrial Revolution. While the First Industrial Revolution caused the growth of industries, such as coal, iron, railroads and textiles, the Second Industrial Revolution witnessed the expansion of electricity, petroleum and steel.